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Re: pc shut down. when resterted no graphics or
Regarding with this problem, when computer which is shutting down. It is the processor problem they can not reach the temperature. Be sure that the CPU fan is spinning so that it will control the CPU temperature. If the fan is not spinning it will cause overheating. Try to disassemble the unit specifically the CPU. Clean your unit remove the dust, when you assemble back your unit make sure that you will put a thermal paste between the CPU and the CPU heat sink so that the of the CPU will absorbed by the heat sink.
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hook monitor cable back to your onboard video port then 1st make sure you have already downloaded the driver for your new graphics card. then at start up go into system setup and go to your display and make sure that you have your new graphics card enabled as your primary graphics instead of onboard video. it will say something like 1.Onboard 2. AGP/OR PCI MAKE SURE YOU DONT HAVE YOUR ONBOARD ENABLED AS YOUR PRIMARY VIDEO. AFTER THAT JUST SAVE AND EXIT THE JUST HOLD POWER BUTTON DOWN TILL PC SHUTS DOWN THEN SWITCH YOUR CABLE MONITOR CABLE FROM THE ONBOARD TO THE AGP/PCI CARD THEN RESTART YOUR PC. THEN YOUR PC WILL SAY FOUND NEW DATA AND WILL INSTALL THE DRIVER YOU HAVE DOWNLOADED FOR IT THEN YOU SHOULD BE OK IF THE CARD IS COMPATIBLE WITH THE MOTHERBOARD
Please check the cable that connects the monitor to the video card. Reseat the cable, the issue might be a loose connection. You can also try a known good monitor to isolate if it's the video card or monitor that is causing the problem. Something is preventing the monitor from receiving signals from the video card, hence the "no signal" message.
1. This is main-board related. You either have a Micro controller or power supply issue that needs to be address by a tech. Shut down is direct relation to a circuit component in the start up that has failed.
Hi there try going into the bios settings and disable the on board graphics and change it to PCI or PCI Express. You may have to plug the monitor into the on-board VGA port to do this, once done shut the computer down and change graphics port, then restart the pc, your problem should now be solved
when you say you have it plugged into the on-board video output.. does that mean there is a graphics card installed too? used to be graphics card installed? if there is or was then its possible that there is a bois setting that tells your computer to use the existent or non-existent graphics card. either was your onboard is going to shut down. This is one theory.. but since its is turning off once you get to your desk top the more likely reason is that its software based and you either have the wrong resolution, driver, or refresh rate selected to use when windows boots. Toy around with diffrent resolutions, refresh rates, also if you have a graphics card plug it into that. your on board most certinly will not be enabled if you have a graphics card.
VGA MODE in vista:
Restart the computer and immediately start pressing the F8 key, once
per second. At the selection screen, use the up/down keys to select
"Enable VGA Mode", then press the "Enter" key.. If it works, it will
bring up the basic VGA drivers in "normal" Windows and should allow you
to install the Vista compatible drivers for your new card. After
installing the new drivers, restart the computer and if it remains in
VGA, you should then be able to adjust the resolution, etc. from the